Introduction typical Form Form relay consists normally open switch nor

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

Introduction typical Form Form relay consists normally open switch nor

Datasheet Thumbnail

Top Searches for this datasheet

Application Note Converting Form Form Relay into Form Relay
Introduction typical Form Form relay consists normally open switch normally closed switch within single package. Each relay controlled separate input LED. typical application Form Form relay situation where design engineer would like operate servo motors, each with controlling input signal. advantages using Form Form relay instead single Form relay single Form relay this case would cost space savings. other applications however, design engineer might want operate servo motors unison with single controlling input signal. this case, Form relay desired, where single input controls both outputs. This application note will demonstrate convert Form Form relay into Form relay determine typical resistor value. These same procedures applied Dual Form relay converting them Form relay respectively. Description Figure shows Solid State's AD4C113 relay, Form Form relay with separate input control circuits.
Normally Closed (Form switch upper portion relay, while Normally Open (Form switch lower portion relay. resistor values determined using following formula: (Vin Vled) Iled
Where: input resistor input control signal source Vled forward voltage drop across Iled desired forward current through standard driven input circuit, variables will have following values: Vled 1.5V Iled substituting these values into formula (1), resistor value calculated. course, this value does take into account temperature fluctuations tolerance variations. merely demonstration purposes. convert this relay Form relay, pins should connected shown Figure connecting pins input source used control both switches, Normally Open (NO) Normally Closed (NC). However, when both LEDs connected same input driver, different resistor value must calculated. Form configuration, there voltage drops across input circuitry instead just one. Formula utilized again, however value Vled must used. Instead 1.5V, value will 3.0V. This value will generate resistor value instead 700. Again,
Figure Form Form Connection
AppNote
value does take into account temperature tolerance variations. main point keep consideration when connecting pins that input driver circuitry experiences forward voltage drops instead just one.
Conclusion Solid State Optronics Form Form relays configured create Form relay connecting pins connecting input LEDs series, single input thus used switch Form Form relays. However, when connecting relay Form fashion, forward voltage drops encountered instead one. These voltage drops must considered when designing input circuitry. Finally, higher input currents, "break before make" functionality inherently exhibited.
Figure Form Connection
Break Before Make Functionality Inherent electromechanical Form relay "break before make" functionality. AD4C113 solid state relay, when wired Form configuration, likewise exhibits "break before make" contact properties. Although both LEDs operated simultaneously same input signal, switching speeds Form Form portions relay differ. Turn time Form portion much faster than Turn time Form relay. This difference switching speeds creates "break before make" switch characteristics. Higher input control currents help maximize effectiveness "break before make" functionality.
AppNote

Introduction typical Form Form relay consists normally open switch nor

Top Searches for this datasheet

Other recent searches